blob: ade867b7d7098bee04d826da80b2fddc969198c9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
; RUN: llc -fast-isel -fast-isel-abort -mtriple=x86_64-unknown-unknown -mattr=+f16c < %s
; XFAIL: *
; In the future, we might want to teach fast-isel how to expand a double-to-half
; conversion into a double-to-float conversion immediately followed by a
; float-to-half conversion. For now, fast-isel is expected to fail.
define double @test_fp16_to_fp64(i32 %a) {
entry:
%0 = trunc i32 %a to i16
%1 = call double @llvm.convert.from.fp16.f64(i16 %0)
ret float %0
}
define i16 @test_fp64_to_fp16(double %a) {
entry:
%0 = call i16 @llvm.convert.to.fp16.f64(double %a)
ret i16 %0
}
declare i16 @llvm.convert.to.fp16.f64(double)
declare double @llvm.convert.from.fp16.f64(i16)
|
